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8″ Rigid Poly/Steel Top Plate 4″ x 4-1/2″


  • 64PU80
  • Designed for ultimate solution of traditional casters with kingpin being loosened from lateral force
  • Inner raceway is forged integrally with the top plate
  • Load cap up to 2500lbs

In stock

If you need assistance in properly calculating the total capacity of your caster requirements, please contact us at (800) 222-7837 or for expert advice in guiding you with the right caster for your application.

Rigid 8" x 2" Poly/Steel Roller Bearing
Top Plate: 4" x 4-1/2"
Bolt Pattern: 2-5/8" x 3-5/8" to 3" x 3"
Mounting Bolt: 3/8"
Overall Height: 9-1/2"
Load Cap 1400

  • Unique Hot Forged ASTM1045 Steel Kingpinless Design Eliminates Problems Associated With Kingpin Failure Due To Severe Shock Loading
  • Top Plate And Inner Raceway Are Integrally Forged Construction
  • Precision Machined And Induction Hardened Sealed Raceway Provides Exceptionally Smooth Performance
  • 3/8" Diameter HRC45 Steel Ball Bearings Withstand Shock Loading In Severe Environments
  • Grease Fittings In Swivel Raceway
  • Zinc Plated



Comparable Part Numbers:

  • 40CR820PU2303
  • 110PY08228R
  • 46PU80JG0417YY
  • 48-UIR-0820-R

Recommended Applications:

  • Tow Line & Shock Load Applications
  • Air Cargo & Ground Support
  • Platform Trucks & Storage Carts
  • Warehousing & Freight Terminal Dollies
  • Military Equipment
Weight 10.42 lbs
Dimensions 6.50 × 4.00 × 9.50 in

Rolling Bearing

Bolt Hole Pattern

2-5/8" x 3-5/8" to 3 x 3


1400 Lbs

Caster Type

Kingpinless, Rigid

Mounting Bolt


Overall Height


Tread Width


Top Plate Size

4" x 4-1/2"

Wheel Color

Green on Black

Wheel Diameter


Wheel Material

Polyurethane on Steel